Linzhou Heavy Machinery Group Co.,Ltd manufactures and sells coal mining machinery in China. It operates through two segments, Coal Mining Machinery and Comprehensive Services; and Military Industry. The company provides hydraulic supports, scraper and belt conveyors, loaders, coal mining and tunneling machines, continuous mine hoists, iris recognition products, electro-hydraulic control systems, and cast and forged parts. It also engages in the military equipment manufacturing and high-tech service projects for space satellite data applications; provision of coal mine operation and financial leasing services; steel casting and forging business; and integration of energy equipment manufacturing, as well as involved in the sale, repair, and leasing of coal mining machinery and explosion-proof electrical equipment.